Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-965 Register 145787 used by US Marine Corps USMC. Aircraft history and location Aircraft History 145787 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-965, ff:? del USMC as HUS-1, 145787, unk redesig UH-34D, Oct62 wfu & xfer MASDC as 3H0210, 21May72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send